---
title: OpenAI GPT-4.1
---

## Code

```python cookbook/reasoning/models/openai/reasoning_model_gpt_4_1.py
from agno.agent import Agent
from agno.models.openai.responses import OpenAIResponses

agent = Agent(
    model=OpenAIResponses(id="gpt-5-mini"),
    reasoning_model=OpenAIResponses(id="gpt-4.1"),
)
agent.print_response(
    "Solve the trolley problem. Evaluate multiple ethical frameworks. "
    "Include an ASCII diagram of your solution.",
    stream=True,
)
```

## Usage

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Set your API key">
    ```bash
    export OPENAI_API_KEY=xxx
    ```
  </Step>

  <Step title="Install libraries">
    ```bash
    pip install -U openai agno
    ```
  </Step>

  <Step title="Run Agent">
    <CodeGroup>
    ```bash Mac
      python cookbook/reasoning/models/openai/reasoning_model_gpt_4_1.py
    ```

    ```bash Windows
      python cookbook/reasoning/models/openai/reasoning_model_gpt_4_1.py
    ```
    </CodeGroup>
  </Step>
</Steps>

